Magnetic recording medium
    2.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US5089344A

    公开(公告)日:1992-02-18

    申请号:US386980

    申请日:1989-07-31

    Abstract: A magnetic recording medium whose magnetic layer formed on a base comprises a magnetic powder and a binder which contains a tertiary amine and uses 1,4-cyclohexanedimethanol as a chain extender. The magnetic powder is preferably of CrO.sub.2. The medium is made by mixing and dispersing the magnetic powder in a binder which consists of a reaction product of (A) a polyester which is a reaction product of a diol selected from among ethylene glycol, propylene glycol, 1,3-butanediol, 1,4-butanediol, 1,5-pentadiol, and 1,6-hexanediol, and adipic acid, (B) a chain extender consisting of 1,4-cyclohexanedimethanol, (C) an aliphatic or aromatic diisocyanate in an amount substantially equal to the combined molar amount of the polyester and the chain extender, and (D) a tertiary amine, and applying the resulting magnetic coating material to a base.

    Abstract translation: 形成在基材上的磁性层的磁记录介质包括磁性粉末和含有叔胺的粘合剂,并使用1,4-环己烷二甲醇作为扩链剂。 磁性粉末优选为CrO 2。 该介质通过将磁性粉末混合并分散在粘合剂中而制成,所述粘合剂由(A)作为选自乙二醇,丙二醇,1,3-丁二醇,1,3-丁二醇的二醇的反应产物的聚酯的反应产物组成 ,1,4-丁二醇,1,5-戊二醇和1,6-己二醇,和己二酸,(B)由1,4-环己烷二甲醇组成的扩链剂,(C)基本上等于 聚酯和扩链剂的组合摩尔量,和(D)叔胺,并将所得的磁性涂层材料施加到基底上。

    Magnetic recording medium
    4.
    发明授权
    Magnetic recording medium 失效
    磁记录介质

    公开(公告)号:US4352859A

    公开(公告)日:1982-10-05

    申请号:US285288

    申请日:1981-07-20

    Abstract: A magnetic recording medium comprises a substrate coated with a magnetic layer comprising a magnetic powder and a binder comprising an urethane resin or a polyester and a vinyl chloride type copolymer of vinyl chloride-vinyl acetate-vinyl alcohol copolymer, vinyl chloride-vinyl acetate-maleic acid copolymer or vinyl chloride-vinylidene chloride copolymer having a polymerization degree of up to 300.

    Abstract translation: 磁记录介质包括涂覆有磁性层的基材和包含聚氨酯树脂或聚酯的粘合剂和氯乙烯 - 乙酸乙烯酯 - 乙烯醇共聚物的氯乙烯型共聚物,氯乙烯 - 乙酸乙烯酯 - 马来酸 酸共聚物或氯乙烯 - 偏二氯乙烯共聚物,聚合度可达300。

    Polyoxymethylene articles having printable surface method of imparting
printability to polyoxymethylene
    10.
    发明授权
    Polyoxymethylene articles having printable surface method of imparting printability to polyoxymethylene 失效
    具有赋予聚甲醛印刷性的可印刷表面方法的聚甲醛制品

    公开(公告)号:US5837744A

    公开(公告)日:1998-11-17

    申请号:US674083

    申请日:1996-07-01

    CPC classification number: B41M1/305 B41M7/0081

    Abstract: Polyoxymethylene articles having a surface printable with an ultraviolet-curing ink are obtained by molding a polyoxymethylene and treating the molded article by ultraviolet irradiation, corona discharge, or electron-beam radiation until the surface has an X-ray photoelectron spectrum in which the ratio of the �C--O!.sub.n bond peak at 302 eV to the C--C bond peak at 305 eV, i.e., the �C--O!.sub.n bond peak/C--C bond peak ratio, is at least 2.5.

    Abstract translation: 具有可用紫外线固化油墨印刷的表面的聚甲醛制品通过模塑聚甲醛并通过紫外线照射,电晕放电或电子束辐射处理模塑制品而获得,直到表面具有X射线光电子能谱 在305eV处的302eV到CC键峰的[CO] n键峰,即[CO] n键峰/ CC键峰比,为至少2.5。

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